Forest management in southern China generates short term extensive carbon sequestration
Tong, Xiaowei (Chinese Academy of Sciences. Institute of Subtropical Agriculture)
Brandt, Martin (University of Copenhagen. Department of Geosciences and Natural Resource Management)
Yue, Yuemin (Chinese Academy of Sciences. Institute of Subtropical Agriculture)
Ciais, Philippe (Laboratoire des Sciences du Climat et de l'Environnement)
Jepsen, Martin Rudbeck (University of Copenhagen. Department of Geosciences and Natural Resource Management)
Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Wigneron, Jean-Pierre (Institut National de la Recherche Agronomique (França))
Xiao, Xiangming (University of Oklahoma. Department of Microbiology and Plant Biology)
Song, Xiao-Peng (Texas Tech University. Department of Geosciences)
Horion, Stephanie (University of Copenhagen. Department of Geosciences and Natural Resource Management)
Rasmussen, Kjeld (University of Copenhagen. Department of Geosciences and Natural Resource Management)
Saatchi, Sassan (California Institute of Technology. Jet Propulsion Laboratory)
Fan, Lei (Institut National de la Recherche Agronomique (França))
Wang, Kelin (Chinese Academy of Sciences. Institute of Subtropical Agriculture)
Zhang, Bing (Chinese Academy of Sciences. Institute of Remote Sensing and Digital Earth)
Chen, Zhengchao (Chinese Academy of Sciences. Institute of Remote Sensing and Digital Earth)
Wang, Yuhang (Beijing Normal University. Faculty of Geographical Science)
Li, Xiaojun (Institut National de la Recherche Agronomique (França))
Fensholt, Rasmus (University of Copenhagen. Department of Geosciences and Natural Resource Management)

Data:	2020
Resum:	Land use policies have turned southern China into one of the most intensively managed forest regions in the world, with actions maximizing forest cover on soils with marginal agricultural potential while concurrently increasing livelihoods and mitigating climate change. Based on satellite observations, here we show that diverse land use changes in southern China have increased standing aboveground carbon stocks by 0. 11 ± 0. 05 Pg C y⁻¹ during 2002-2017. Most of this regional carbon sink was contributed by newly established forests (32%), while forests already existing contributed 24%. Forest growth in harvested forest areas contributed 16% and non-forest areas contributed 28% to the carbon sink, while timber harvest was tripled. Soil moisture declined significantly in 8% of the area. We demonstrate that land management in southern China has been removing an amount of carbon equivalent to 33% of regional fossil CO₂ emissions during the last 6 years, but forest growth saturation, land competition for food production and soil-water depletion challenge the longevity of this carbon sink service.
Ajuts:	European Commission 610028
Nota:	Altres ajuts: X.T. was funded by a Marie Curie fellowship, grant number 795970
Drets:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Matèria:	Climate-change ecology ; Ecosystem services ; Forestry
Publicat a:	Nature communications, Vol. 11 (2020) , art. 129, ISSN 2041-1723

DOI: 10.1038/s41467-019-13798-8
PMID: 31913268

10 p, 1.6 MB

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